Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965167AbWECMLa (ORCPT ); Wed, 3 May 2006 08:11:30 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S965170AbWECMLa (ORCPT ); Wed, 3 May 2006 08:11:30 -0400 Received: from mtagate2.de.ibm.com ([195.212.29.151]:23643 "EHLO mtagate2.de.ibm.com") by vger.kernel.org with ESMTP id S965167AbWECML3 (ORCPT ); Wed, 3 May 2006 08:11:29 -0400 In-Reply-To: Subject: Re: [PATCH] s390: Hypervisor File System To: Pekka J Enberg Cc: akpm@osdl.org, Greg KH , ioe-lkml@rameria.de, joern@wohnheim.fh-wedel.de, linux-kernel@vger.kernel.org, Kyle Moffett , mschwid2@de.ibm.com X-Mailer: Lotus Notes Build V70_M4_01112005 Beta 3NP January 11, 2005 Message-ID: From: Michael Holzheu Date: Wed, 3 May 2006 14:11:36 +0200 X-MIMETrack: Serialize by Router on D12ML061/12/M/IBM(Release 6.53HF654 | July 22, 2005) at 03/05/2006 14:12:39 MIME-Version: 1.0 Content-type: text/plain; charset=US-ASCII Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 936 Lines: 25 Pekka J Enberg wrote on 05/03/2006 11:42:01 AM: > On Wed, 3 May 2006, Michael Holzheu wrote: > > All the complicated mechanisms with filesystem trees > > to obtain consistent data and transaction functionality > > could be avoided, if we would use single files, which > > contain all the data. When opening the file, the snapshot > > is created and attached to the struct file. > > If we're going to add new infrastructure, I'd vote for adding snapshotting > capability to filesystems. We need it for stuff like LogFS anyway. > Maybe we need that, too. But I think the advantage of the one file solution moves the complexity from the kernel to userspace. Michael - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/